<!DOCTYPE html>
<html>
<head>
  <!--  指定页面编码格式  -->
  <meta charset="UTF-8">
  <!--  指定页头信息 -->
  <title>打开对话框</title>
  <script src="event.js"></script>

</head>

<body>
<button onclick="onClick_OpenFile()">打开文件对话框</button>
<br>
<br>
<button onclick="onClick_CustomOpenFile()">定制打开对话框</button>
<br>
<br>
<button onclick="onClick_FileType()">指定文件类型</button>
<br>
<br>
<button onclick="onClick_OpenAndCreateDirectory()">打开和创建目录</button>
<br>
<br> 

<button onclick="onClick_MultiSelection()">选择多个文件或目录</button>
<br>
<br>
<button onclick="onClick_Callback()">通过回调函数返回选择的文件和目录</button>
<br>
<br>
<label id="label" style="font-size: large"></label>

</body>
</html>